| 1218281 | MT8880CC/CC-1 | Integrated DTMFTransceiver | Mitel Semiconductor |
| 1218282 | MT8880CE | ISO2-CMOS Integrated DTMFTransceiver | Mitel Semiconductor |
| 1218283 | MT8880CE-1 | ISO2-CMOS Integrated DTMFTransceiver | Mitel Semiconductor |
| 1218284 | MT8880CE/CE-1 | Integrated DTMFTransceiver | Mitel Semiconductor |
| 1218285 | MT8880CN | ISO2-CMOS Integrated DTMFTransceiver | Mitel Semiconductor |
| 1218286 | MT8880CN-1 | ISO2-CMOS Integrated DTMFTransceiver | Mitel Semiconductor |
| 1218287 | MT8880CN/CN-1 | Integrated DTMFTransceiver | Mitel Semiconductor |
| 1218288 | MT8880CP | ISO2-CMOS Integrated DTMFTransceiver | Mitel Semiconductor |
| 1218289 | MT8880CP-1 | ISO2-CMOS Integrated DTMFTransceiver | Mitel Semiconductor |
| 1218290 | MT8880CP/CP-1 | Integrated DTMFTransceiver | Mitel Semiconductor |
| 1218291 | MT8880CS | ISO2-CMOS Integrated DTMFTransceiver | Mitel Semiconductor |
| 1218292 | MT8880CS-1 | ISO2-CMOS Integrated DTMFTransceiver | Mitel Semiconductor |
| 1218293 | MT8880CS/CS-1 | Integrated DTMFTransceiver | Mitel Semiconductor |
| 1218294 | MT8885 | Integrated DTMFTransceiver with Power Down & Adaptive | Mitel Semiconductor |
| 1218295 | MT8885 | Integrated DTMF Transceiver with Power Down and Adaptive Micro Interface | Zarlink Semiconductor |
| 1218296 | MT8885AE | Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface | Mitel Semiconductor |
| 1218297 | MT8885AN | Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface | Mitel Semiconductor |
| 1218298 | MT8885AP | Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface | Mitel Semiconductor |
| 1218299 | MT8888 | Integrated DTMFTransceiver with Intel Micro Interface | Mitel Semiconductor |
|
| 1218300 | MT8888C | Integrated DTMFTransceiver with Intel Micro Interface | Mitel Semiconductor |
| 1218301 | MT8888C | Integrated DTMF Transceiver with Intel Micro Interface | Zarlink Semiconductor |
| 1218302 | MT8888C-1 | Integrated DTMFTransceiver with Intel Micro Interface | Mitel Semiconductor |
| 1218303 | MT8888CC | Integrated DTMFTransceiver with Intel Micro Interface | Mitel Semiconductor |
| 1218304 | MT8888CC-1 | Integrated DTMFTransceiver with Intel Micro Interface | Mitel Semiconductor |
| 1218305 | MT8888CC_CC-1 | 6V; 10mA; integrated DTMF transceiver with intel micro interface. For paging systems, repeater systems/mobile radio, credit card systems, personal computers, interconnect dialers | Mitel Semiconductor |
| 1218306 | MT8888CE | Integrated DTMFTransceiver with Intel Micro Interface | Mitel Semiconductor |
| 1218307 | MT8888CE | Integrated DTMF Transceiver with Intel Micro Interface | Zarlink Semiconductor |
| 1218308 | MT8888CE-1 | Integrated DTMFTransceiver with Intel Micro Interface | Mitel Semiconductor |
| 1218309 | MT8888CE1 | Integrated DTMF Transceiver with Intel Micro Interface | Zarlink Semiconductor |
| 1218310 | MT8888CE_CE-1 | 6V; 10mA; integrated DTMF transceiver with intel micro interface. For paging systems, repeater systems/mobile radio, credit card systems, personal computers, interconnect dialers | Mitel Semiconductor |
| 1218311 | MT8888CN | Integrated DTMFTransceiver with Intel Micro Interface | Mitel Semiconductor |
| 1218312 | MT8888CN | Integrated DTMF Transceiver with Intel Micro Interface | Zarlink Semiconductor |
| 1218313 | MT8888CN-1 | Integrated DTMFTransceiver with Intel Micro Interface | Mitel Semiconductor |
| 1218314 | MT8888CN1 | Integrated DTMF Transceiver with Intel Micro Interface | Zarlink Semiconductor |
| 1218315 | MT8888CN_CN-1 | 6V; 10mA; integrated DTMF transceiver with intel micro interface. For paging systems, repeater systems/mobile radio, credit card systems, personal computers, interconnect dialers | Mitel Semiconductor |
| 1218316 | MT8888CP | Integrated DTMF Transceiver with Intel Micro Interface | Zarlink Semiconductor |
| 1218317 | MT8888CP1 | Integrated DTMF Transceiver with Intel Micro Interface | Zarlink Semiconductor |
| 1218318 | MT8888CPR | Integrated DTMF Transceiver with Intel Micro Interface | Zarlink Semiconductor |
| 1218319 | MT8888CPR1 | Integrated DTMF Transceiver with Intel Micro Interface | Zarlink Semiconductor |
| 1218320 | MT8888CS | Integrated DTMFTransceiver with Intel Micro Interface | Mitel Semiconductor |
